Downer EDI Rail GT42CU AC

4000 class / 4100 class / 83 class
Power type	Diesel-electric
Builder	EDI
Model	GT42CU AC
Total produced	13
UIC classification	Co'Co'
Gauge	1,067 mm (3 ft 6 in)
Top speed	121 km/h (75 mph)
Power output	2,425 kW (3,252 hp)

The GT42CU AC (and the GT42CU ACe) is a model of Co-Co mainline diesel electric locomotives built by Downer EDI Rail for use on narrow gauge railways in Australia. Those operated by QR National are the 4000 class and 4100 class, those with Pacific National Queensland on intermodal services are the PN class, while those with Pacific National coal in Queensland are the 83 class.

4100 class

In July 2011 2 x 4100 class locos were road hauled to Western Australia to operate there with there numbers being prefix by ACN. The 2 locos concrened were 4147, 4148, It is execpted that more will be moved over to Western Australia

References

Western Australia Rail Scene - E Zine